Final Smashes almost made it into the first game
One source states, "Super Smash Bros. Brawl introduced a new kind of attack to the series. It was known as the Final Smash and it became the ultimate attack for most of the characters in the game. In order to use the Final Smash, the players had to wait for a floating orb that bears the Smash Bros. symbol to appear in the arena. The orb can take around 30% of damage before breaking. Whoever causes it to break gains the ability to fire off a single Final Smash against their opponents. While the Final Smash debuted in Brawl, it was planned to appear as early as the first game in the series. There are several within Super Smash Bros. that would later reappear as the noises used for Final Smash attacks in Brawl. These clips include Ness shouting "PK Starstorm!", Captain Falcon calling for his Blue Falcon and Pikachu making the same noise that he would use for his Volt Tackle attack in Brawl"(Baird).
